TED has uploaded some more videos from this year's conference. The latest is of Evan Willams talking about Twitter & its spectacular growth being driven by unexpected uses invented by users themselves.
Garr Reynolds has posted an article about the same. (http://www.presentationzen.com/presentationzen/2009/03/ted-talk-twitter-the-power-of-the-unexpected-.html)
Learning : User Innovation is Driving Twitter, increasing its utility to what its developers thought making it more valuable.
Check : How is your brand/Service being used by users.
Check out the Video below.